diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
index b6cfcb2e8e..1c3fdc5e36 100644
--- a/.github/workflows/quality.yml
+++ b/.github/workflows/quality.yml
@@ -40,6 +40,8 @@ jobs:
       - run: npm run check:fetch-targets
       - run: npm run check:openapi-routes
       - run: npm run check:docs-symbols
+      - name: Docs accuracy (fabricated-docs + i18n mirrors, strict)
+        run: npm run check:docs-all
       - run: npm run check:deps
       - run: npm run check:file-size
       - run: npm run check:error-helper
@@ -49,6 +51,7 @@ jobs:
       - run: npm run check:known-symbols
       - run: npm run check:route-guard-membership
       - run: npm run check:test-discovery
+      - run: npm run check:test-runner-api
       - run: npm run check:any-budget:t11
       - name: Typecheck (core)
         run: npm run typecheck:core
@@ -82,3 +85,48 @@ jobs:
           echo "Running impacted tests:"; echo "$SEL"
           mapfile -t FILES <<< "$SEL"
           node --import tsx --import ./open-sse/utils/setupPolyfill.ts --import ./tests/_setup/isolateDataDir.ts --test --test-force-exit --test-concurrency=4 "${FILES[@]}"
+
+  fast-vitest:
+    name: Vitest (fast-path)
+    runs-on: ubuntu-latest
+    env:
+      JWT_SECRET: ci-lint-secret-with-sufficient-length-for-validation
+      API_KEY_SECRET: ci-lint-api-key-secret-long
+      DISABLE_SQLITE_AUTO_BACKUP: "true"
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v6
+        with:
+          node-version: ${{ env.CI_NODE_VERSION }}
+          cache: npm
+      - run: npm ci
+      - run: npm run test:vitest
+
+  fast-unit:
+    name: Unit Tests fast-path (${{ matrix.shard }}/2)
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        shard: [1, 2]
+    env:
+      JWT_SECRET: ci-lint-secret-with-sufficient-length-for-validation
+      API_KEY_SECRET: ci-lint-api-key-secret-long
+      DISABLE_SQLITE_AUTO_BACKUP: "true"
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v6
+        with:
+          node-version: ${{ env.CI_NODE_VERSION }}
+          cache: npm
+      - run: npm ci
+      - run: >
+          node --max-old-space-size=4096 --import tsx
+          --import ./tests/_setup/isolateDataDir.ts
+          --test --test-force-exit --test-concurrency=4 --test-shard=${{ matrix.shard }}/2
+          tests/unit/*.test.ts
+          "tests/unit/{api,auth,authz,build,cli,cli-helper,combo,compression,correctness,cors,dashboard,db,db-adapters,docs,gamification,guardrails,lib,mcp,runtime,security,services,settings,shared,ui}/**/*.test.ts"
diff --git a/config/quality/quality-baseline.json b/config/quality/quality-baseline.json
index d4e029c2b2..723c6f6b75 100644
--- a/config/quality/quality-baseline.json
+++ b/config/quality/quality-baseline.json
@@ -122,9 +122,10 @@
       "dedicatedGate": true
     },
     "zizmorFindings": {
-      "value": 155,
+      "value": 159,
       "direction": "down",
       "dedicatedGate": true,
+      "_rebaseline_2026_06_23_fastpath_gates": "155 -> 159 (+4). Two new jobs added to .github/workflows/quality.yml (fast-vitest, fast-unit) to run vitest + the full unit suite on the PR->release fast-path (release-acceleration plan, _tasks/release-bench/v3.8.35/PLANO-IMPLEMENTACAO.md). The +4 are unpinned-uses: actions/checkout@v7 + actions/setup-node@v6 in each of the 2 jobs — the SAME deliberate @vN convention as every other workflow (see _scanner_harden_workflows_2026_06_16). SHA-pinning only these would violate the convention. No new template-injection/artipacked/cache-poisoning. Measured locally via `npm run check:workflows -- --ratchet` = 159.",
       "_rebaseline_2026_06_23_v3834_release": "152 -> 155 (+3). The 3 new unpinned-uses are in .github/workflows/nightly-release-green.yml (added by #4622 this cycle): actions/checkout@v7, actions/setup-node@v6, actions/upload-artifact@v4 — the SAME deliberate @vN convention as ci.yml's own checkout@v7/setup-node@v6 and every other workflow (see _scanner_harden_workflows_2026_06_16 + _zizmor_rebaseline_2026_06_20_ci_build_artifact_reuse). SHA-pinning only this workflow would violate the convention. The workflow-lint ratchet does NOT run on PR->release fast-gates, so it surfaced only on the release PR; measured locally via `npm run check:workflows -- --ratchet` = 155. No new template-injection/artipacked/cache-poisoning."
     },
     "vulnCount": {
diff --git a/package.json b/package.json
index 1517eabfa5..a9960fd774 100644
--- a/package.json
+++ b/package.json
@@ -76,6 +76,7 @@
     "gen:provider-reference": "node --import tsx scripts/docs/gen-provider-reference.ts",
     "bench:compression": "node --import tsx scripts/compression/benchmark.ts",
     "eval:compression": "node --import tsx scripts/compression-eval/index.ts",
+    "release:sync-changelog-i18n": "node scripts/release/sync-changelog-i18n.mjs",
     "build": "node scripts/build/build-next-isolated.mjs",
     "build:secure": "OMNIROUTE_BUILD_PROFILE=minimal node scripts/build/build-next-isolated.mjs",
     "build:cli": "node --import tsx scripts/build/prepublish.ts",
@@ -135,6 +136,7 @@
     "check:duplication": "node scripts/check/check-duplication.mjs",
     "check:tracked-artifacts": "node scripts/check/check-tracked-artifacts.mjs",
     "check:test-masking": "node scripts/check/check-test-masking.mjs",
+    "check:test-runner-api": "node scripts/check/check-test-runner-api.mjs",
     "check:error-helper": "node scripts/check/check-error-helper.mjs",
     "check:migration-numbering": "node scripts/check/check-migration-numbering.mjs",
     "check:public-creds": "node scripts/check/check-public-creds.mjs",
diff --git a/scripts/check/check-test-runner-api.mjs b/scripts/check/check-test-runner-api.mjs
new file mode 100644
index 0000000000..f99eda9cc4
--- /dev/null
+++ b/scripts/check/check-test-runner-api.mjs
@@ -0,0 +1,59 @@
+import fs from "node:fs";
+import path from "node:path";
+
+// Dirs collected ONLY by vitest (vitest.mcp.config.ts include globs for .ts tests).
+// Keep in sync with vitest.mcp.config.ts. A test here MUST import from "vitest".
+const VITEST_ONLY_DIRS = [
+  "tests/unit/autoCombo",
+  "open-sse/services/autoCombo",
+  "open-sse/mcp-server",
+];
+
+function walk(dir, root, out = []) {
+  const abs = path.join(root, dir);
+  if (!fs.existsSync(abs)) return out;
+  for (const name of fs.readdirSync(abs)) {
+    const rel = path.join(dir, name);
+    const s = fs.statSync(path.join(root, rel));
+    if (s.isDirectory()) {
+      if (name === "node_modules" || name === ".git") continue;
+      walk(rel, root, out);
+    } else if (/\.test\.(ts|tsx|js|mjs)$/.test(name)) {
+      out.push(rel);
+    }
+  }
+  return out;
+}
+
+function isVitestOnly(relFile) {
+  const norm = relFile.replace(/\\/g, "/");
+  return VITEST_ONLY_DIRS.some(
+    (d) => norm.startsWith(d + "/") && (norm.includes("/__tests__/") || d.startsWith("tests/unit/"))
+  );
+}
+
+export function findRunnerMismatches(root) {
+  const files = VITEST_ONLY_DIRS.flatMap((d) => walk(d, root));
+  const bad = [];
+  for (const f of files) {
+    if (!isVitestOnly(f)) continue;
+    const txt = fs.readFileSync(path.join(root, f), "utf8");
+    const importsNodeTest = /from\s+["']node:test["']/.test(txt);
+    const importsVitest = /from\s+["']vitest["']/.test(txt);
+    if (importsNodeTest && !importsVitest) {
+      bad.push({ file: f, reason: "vitest-only dir but imports node:test (use the vitest API)" });
+    }
+  }
+  return bad;
+}
+
+if (import.meta.url === `file://${process.argv[1]}`) {
+  const root = process.cwd();
+  const bad = findRunnerMismatches(root);
+  if (bad.length) {
+    console.error(`[test-runner-api] FAIL — ${bad.length} test(s) use the wrong runner API:`);
+    for (const b of bad) console.error(`  ${b.file}: ${b.reason}`);
+    process.exit(1);
+  }
+  console.log("[test-runner-api] OK — vitest-only dirs use the vitest API.");
+}
diff --git a/scripts/ops/prune-stale-worktrees.sh b/scripts/ops/prune-stale-worktrees.sh
new file mode 100755
index 0000000000..8a8a30f716
--- /dev/null
+++ b/scripts/ops/prune-stale-worktrees.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# Lista (ou remove com --apply) worktrees port-* cuja branch já foi merged ao
+# main OU não tem commits à frente do origin/main. NUNCA toca worktrees com
+# trabalho não-commitado. Rodar a partir do checkout principal.
+set -euo pipefail
+APPLY="${1:-}"
+git fetch origin main --quiet || true
+git worktree list --porcelain | awk '/^worktree /{w=$2} /^branch /{print w" "$2}' | \
+while read -r dir ref; do
+  case "$dir" in
+    *"/.claude/worktrees/"*port-*|*"/.worktrees/"*port-*) ;;
+    *) continue ;;
+  esac
+  br="${ref#refs/heads/}"
+  if [ -n "$(git -C "$dir" status --porcelain 2>/dev/null)" ]; then
+    echo "SKIP (dirty): $dir"
+    continue
+  fi
+  ahead=$(git -C "$dir" rev-list --count origin/main.."$br" 2>/dev/null || echo "?")
+  if [ "$ahead" = "0" ]; then
+    if [ "$APPLY" = "--apply" ]; then
+      git worktree remove --force "$dir" && git branch -D "$br" 2>/dev/null || true
+      echo "REMOVED: $dir ($br)"
+    else
+      echo "WOULD REMOVE (0 ahead of main): $dir ($br)"
+    fi
+  else
+    echo "KEEP ($ahead ahead): $dir ($br)"
+  fi
+done
+echo "Done.${APPLY:+ (applied)}"
diff --git a/scripts/release/sync-changelog-i18n.mjs b/scripts/release/sync-changelog-i18n.mjs
new file mode 100644
index 0000000000..9fea0daa79
--- /dev/null
+++ b/scripts/release/sync-changelog-i18n.mjs
@@ -0,0 +1,57 @@
+import fs from "node:fs";
+import path from "node:path";
+
+function sectionRange(text, ver, nextVer) {
+  const lines = text.split("\n");
+  const start = lines.findIndex((l) => l.startsWith(`## [${ver}]`));
+  if (start < 0) return null;
+  let end = lines.findIndex((l, i) => i > start && l.startsWith(`## [${nextVer}]`));
+  if (end < 0) end = lines.length;
+  return { lines, start, end };
+}
+
+// Replace the [ver] section in every docs/i18n/<loc>/CHANGELOG.md with the root one.
+// If a mirror lacks the section, insert it before [nextVer]. Returns count updated.
+export function syncChangelogSection(root, ver, nextVer) {
+  const rootCl = fs.readFileSync(path.join(root, "CHANGELOG.md"), "utf8");
+  const r = sectionRange(rootCl, ver, nextVer);
+  if (!r) throw new Error(`root CHANGELOG missing [${ver}]`);
+  const block = r.lines.slice(r.start, r.end).join("\n");
+  const i18nDir = path.join(root, "docs/i18n");
+  if (!fs.existsSync(i18nDir)) return 0;
+  let n = 0;
+  for (const loc of fs.readdirSync(i18nDir)) {
+    const fp = path.join(i18nDir, loc, "CHANGELOG.md");
+    if (!fs.existsSync(fp)) continue;
+    const txt = fs.readFileSync(fp, "utf8");
+    const m = sectionRange(txt, ver, nextVer);
+    let next;
+    if (m) {
+      next =
+        m.lines.slice(0, m.start).join("\n") +
+        "\n" +
+        block +
+        "\n" +
+        m.lines.slice(m.end).join("\n");
+    } else {
+      const idx = txt.indexOf(`## [${nextVer}]`);
+      if (idx < 0) continue;
+      next = txt.slice(0, idx) + block + "\n\n" + txt.slice(idx);
+    }
+    if (next !== txt) {
+      fs.writeFileSync(fp, next);
+      n++;
+    }
+  }
+  return n;
+}
+
+if (import.meta.url === `file://${process.argv[1]}`) {
+  const [ver, nextVer] = process.argv.slice(2);
+  if (!ver || !nextVer) {
+    console.error("usage: sync-changelog-i18n.mjs <ver> <nextVer>");
+    process.exit(2);
+  }
+  const n = syncChangelogSection(process.cwd(), ver, nextVer);
+  console.log(`[sync-changelog-i18n] updated ${n} mirror(s) for [${ver}]`);
+}
diff --git a/tests/unit/build/check-test-runner-api.test.ts b/tests/unit/build/check-test-runner-api.test.ts
new file mode 100644
index 0000000000..8de6f9ffde
--- /dev/null
+++ b/tests/unit/build/check-test-runner-api.test.ts
@@ -0,0 +1,35 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { findRunnerMismatches } from "../../../scripts/check/check-test-runner-api.mjs";
+
+function tmpRepo() {
+  const root = fs.mkdtempSync(path.join(os.tmpdir(), "runner-api-"));
+  fs.mkdirSync(path.join(root, "tests/unit/autoCombo"), { recursive: true });
+  return root;
+}
+
+test("flags a vitest-only-dir test that imports node:test", () => {
+  const root = tmpRepo();
+  fs.writeFileSync(
+    path.join(root, "tests/unit/autoCombo/bad.test.ts"),
+    `import { describe, it } from "node:test";\ndescribe("x", () => it("y", () => {}));\n`
+  );
+  const bad = findRunnerMismatches(root);
+  assert.equal(bad.length, 1);
+  assert.match(bad[0].file, /autoCombo\/bad\.test\.ts$/);
+  assert.match(bad[0].reason, /vitest-only/);
+  fs.rmSync(root, { recursive: true, force: true });
+});
+
+test("accepts a vitest-only-dir test that imports vitest", () => {
+  const root = tmpRepo();
+  fs.writeFileSync(
+    path.join(root, "tests/unit/autoCombo/good.test.ts"),
+    `import { describe, it } from "vitest";\ndescribe("x", () => it("y", () => {}));\n`
+  );
+  assert.equal(findRunnerMismatches(root).length, 0);
+  fs.rmSync(root, { recursive: true, force: true });
+});
diff --git a/tests/unit/build/sync-changelog-i18n.test.ts b/tests/unit/build/sync-changelog-i18n.test.ts
new file mode 100644
index 0000000000..14eb8247b0
--- /dev/null
+++ b/tests/unit/build/sync-changelog-i18n.test.ts
@@ -0,0 +1,47 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { syncChangelogSection } from "../../../scripts/release/sync-changelog-i18n.mjs";
+
+function repo() {
+  const root = fs.mkdtempSync(path.join(os.tmpdir(), "cl-i18n-"));
+  fs.writeFileSync(
+    path.join(root, "CHANGELOG.md"),
+    "# Changelog\n\n## [Unreleased]\n\n---\n\n## [9.9.9] — 2026-01-01\n\n- **feat:** big new thing\n- **fix:** another\n\n---\n\n## [9.9.8] — 2025-12-01\n\n- old\n"
+  );
+  for (const loc of ["fr", "de"]) {
+    fs.mkdirSync(path.join(root, "docs/i18n", loc), { recursive: true });
+    fs.writeFileSync(
+      path.join(root, "docs/i18n", loc, "CHANGELOG.md"),
+      "# Changelog\n\n---\n\n## [9.9.9] — TBD\n\n_stub_\n\n---\n\n## [9.9.8] — 2025-12-01\n\n- old\n"
+    );
+  }
+  return root;
+}
+
+test("replaces the version section in every mirror with the root section", () => {
+  const root = repo();
+  const n = syncChangelogSection(root, "9.9.9", "9.9.8");
+  assert.equal(n, 2);
+  const fr = fs.readFileSync(path.join(root, "docs/i18n/fr/CHANGELOG.md"), "utf8");
+  assert.match(fr, /big new thing/);
+  assert.doesNotMatch(fr, /_stub_/);
+  fs.rmSync(root, { recursive: true, force: true });
+});
+
+test("inserts the section when a mirror lacks it", () => {
+  const root = repo();
+  // remove the 9.9.9 section from the fr mirror entirely
+  fs.writeFileSync(
+    path.join(root, "docs/i18n/fr/CHANGELOG.md"),
+    "# Changelog\n\n---\n\n## [9.9.8] — 2025-12-01\n\n- old\n"
+  );
+  const n = syncChangelogSection(root, "9.9.9", "9.9.8");
+  assert.equal(n, 2);
+  const fr = fs.readFileSync(path.join(root, "docs/i18n/fr/CHANGELOG.md"), "utf8");
+  assert.match(fr, /## \[9\.9\.9\]/);
+  assert.match(fr, /big new thing/);
+  fs.rmSync(root, { recursive: true, force: true });
+});